2317923 has 12 divisors (see below), whose sum is σ = 3445720. Its totient is φ = 1540008.

The previous prime is 2317921. The next prime is 2317927. The reversal of 2317923 is 3297132.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 2317923 - 2¹ = 2317921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2317921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7765 + ... + 8057.

2^2317923 is an apocalyptic number.

2317923 is a deficient number, since it is larger than the sum of its proper divisors (1127797).

2317923 is an frugal number, since it uses more digits than its factorization.

2317923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 296 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2317923 is about 1522.4726598530. The cubic root of 2317923 is about 132.3426017544.

Multiplying 2317923 by its sum of digits (27), we get a square (62583921 = 7911²).

2317923 divided by its sum of digits (27) gives a square (85849 = 293²).

It can be divided in two parts, 2317 and 923, that added together give a triangular number (3240 = T₈₀).

The spelling of 2317923 in words is "two million, three hundred seventeen thousand, nine hundred twenty-three".